Where: Baja California Sur, Mexico (27.1° N, 112.0° W: paleocoordinates 26.9° N, 110.7° W)

• coordinate based on nearby landmark

When: San Marcos Formation, Pliocene (5.3 - 2.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: U. S. Grant and L. G. Hertlein. 1938. The West American Cenozoic Echinoidea. Publications of the University of California at Los Angeles in Mathematical and Physical Sciences 2:1-225 [L. Villier/L. Villier]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 203580: authorized by Mark Uhen, entered by Mark Uhen on 20.08.2019

Creative Commons license: CC BY (attribution)